IR3865MTRPBF International Rectifier, IR3865MTRPBF Datasheet - Page 8

• Manufacturer Part Number: IR3865MTRPBF
• Description: IC BUCK SYNC ADJ 10A PQFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck), PWMr

Specifications of IR3865MTRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 V ~ 12 V
• Current - Output: 10A
• Frequency - Switching: Up to 750kHz
• Voltage - Input: 3 V ~ 21 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Primary Input Voltage: 21V
• No. Of Outputs: 1
• Output Voltage: 12V
• Output Current: 10A
• No. Of Pins: 17
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Part Status: Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 10
• Switch Freq (khz): 0 - 750
• Input Range (v): 3.0 - 21
• Output Range (v): 0.5 - 12
• Ocp Otp Uvlo Pre-bias Soft Start And: Constant On-Time + PGOOD + EN + Temp Comp OCP
• Digital Home Media: Yes
• Mobile Computing: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SW1
EN / FCCM
QTY
TYPICAL APPLICATION CIRCUIT
TP4
EN
Demoboard Bill of Materials
3
1
2
1
1
1
1
1
3
1
1
1
1
1
1
1
1
VCC
R2
10K
2/16/2011 Rev2.3
TP11
PGOOD
+3.3V
REF DESIGNATOR
VSW
+3.3V
R5
10K
C1, C21, C25
R1
10K
R1, R2, R5
TP13
SS
TP14
+3.3V
TP26
AGND
TP16
VCC
TP17
PGND
C12, C20
Figure 7. Typical Application Circuit for VOUT = 1.05V, Fs = 300kHz
SW1
C10
R11
R12
R4
8.66K
C2
C3
C4
C9
R3
R4
R7
R8
U1
L1
+3.3V
VCC
EN
C23
open
FCCM
ISET
PGOOD
FB
SS
C20
0.1uF
C21
1uF
R12
4.99
1
2
3
4
5
6
7
FCCM
ISET
PGOOD
GND1
FB
SS
NC1
0.100uF
VALUE
IR3865
1.00uF
22.0uF
0.22uF
330uF
1.5uH
10.0K
8.66K
2.80K
2.55K
SPST
47uF
68uF
200K
TP28
VID
4.99
IR3865
20
TP27
A
R3
200K
C25
1uF
R11
20
R10
open
PHASE
TP25
B
U1
IR3865
C22
open
inductor, ferrite, 1.5uH, 16.0A, 3.8mOhm, SMT
capacitor, electrolytic, 330uF, 2.5V, 0.2, 7343
resistor, thick film, 10.0K, 1/10W, 0.01, 0603
resistor, thick film, 2.55K, 1/10W, 0.01, 0603
capacitor, electrolytic, 68uF, 25V, 0.2, SMD
resistor, thick film, 8.66K, 1/10W, 0.01, 603
resistor, thick film, 2.80K, 1/10W, 0.01, 603
resistor, thick film, 200K, 1/10W, 0.01, 603
resistor, thick film, 4.99, 1/10W, 0.01, 603
capacitor, X5R, 22.0uF, 16V, 20%, 1206
C4
0.22uF
12
resistor, thick film, 20, 1/10W, 0.01, 603
capacitor, X7R, 1.00uF, 25V, 0.1, 0603
capacitor, X7R, 0.100uF, 25V, 0.1, 603
capacitor, X5R, 0.22uF, 10V, 0.1, 0603
switch, DIP, SPST, 2 position, SMT
1
capacitor, 47uF, 6.3V, 805
R9
open
Q1
open
4mm X 5mm QFN
VIN
VSW
DESCRIPTION
R6
open
L1
1.5uH
C14
open
C13
open
R13
open
C24
open
C1
1uF
R7
2.80K
R8
2.55K
C2
22uF
+
C3
68uF
C6
open
C15
open
MANUFACTURER
C&K Components
C7
open
C16
open
Taiyo Yuden
Vishay/Dale
TP1
VINS
TP6
PGNDS
Panasonic
Murata
Cyntec
Sanyo
C8
open
C17
open
KOA
KOA
KOA
TDK
TDK
TDK
KOA
KOA
KOA
IRF
TP2
VIN
TP5
PGND
IR3865MBF
C9
330uF
C18
open
C10
47uF
C19
open
GRM188R71E105KA12D
CRCW06034R99FNEA
PIMB104T-1R5MS-39
RK73H1JLTD20R0F
EMK316BJ226ML-T
RK73H1JLTD2003F
RK73H1JLTD8661F
RK73H1JLTD2801F
C2012X5R0J476M
C1608X7R1E104K
C1608X5R1A224K
C11
open
C26
open
PART NUMBER
EEV-FK1E680P
RK73H1J1002F
RK73H1J2551F
2R5TPE330M9
IR3865MBF
SD02H0SK
VOUT
C12
0.1uF
C27
open
TP23
VOUTS
TP24
PGNDS
TP18
VOLTAGE SENSE
8
TP7
VOUT
TP10
PGND